AI image model comparison
Nano Banana 2.1 vs Seedream 5.0 Flash
Side by side comparison of Nano Banana 2.1 and Seedream 5.0 Flash on image quality, cost per image, editing features, and more.
Nano Banana 2.1 (Gemini Nano Banana 2.1) is Google's image generation and editing model on the Flash tier, succeeding Nano Banana 2 and Nano Banana Pro.
- Per image
- Not available
- Output / 1M
- $30
- Image Elo
- Not available
Seedream 5.0 Flash is an image generation and editing model from ByteDance Seed.
- Per image
- $0.018
- Output / 1M
- $4.31
- Image Elo
- Not available
Comparing chat or coding models? Compare text models
At a glance
Quick verdict
Which model wins on the things that matter most when you're making images.
Cheaper per image
Not available
Only one lists a per-image price
Better image quality
Not available
Not enough arena data
Better at editing
Not available
Not enough arena data
Newer release
Nano Banana 2.1
Released October 6, 2026
Pricing
Nano Banana 2.1 vs Seedream 5.0 Flash price per image
What each image actually costs, plus the underlying API rates. Cheaper option highlighted.
| Metric | Nano Banana 2.1 | |
|---|---|---|
| Cost per imageEstimated, ~1 megapixel (1024×1024) | Not available | $0.018 |
| Image outputPer 1M image tokens | $30 | $4.31 |
| Tokens per imageHow many image tokens one ~1MP image uses | Not available | 4,175 |
| Prompt textPer 1M input tokens | $1.50 | Included |
What it costs in practice
Estimated totals at standard resolution.
Single image
1 image
Nano Banana 2.1Not availableSocial media batch
50 images
Nano Banana 2.1Not availableProduct catalog
1,000 images
Nano Banana 2.1Not availableSpecs
Inputs, outputs, and limits
What each model accepts, what it gives back, and how long your prompt can be.
| Metric | Nano Banana 2.1 | |
|---|---|---|
| Accepts | Image, Text | Image, Text |
| Produces | Image, Text | Image |
| Max prompt lengthText plus reference images | 66K tokens | Not available tokens |
| Reasoning step | Optional | No |
| Release date | October 6, 2026 | October 1, 2026 |
Features
Supported features
Creative controls available for each model.
| Metric | Nano Banana 2.1 | |
|---|---|---|
| Image editingAccepts reference or source images | Supported | Supported |
| Text alongside imagesCan explain or caption what it made | Supported | Not supported |
| Thinks before drawingPlans the image with a reasoning step | Supported | Not supported |
| Reproducible seedsSame seed, same image | Supported | Not supported |
| Temperature controlTrade consistency for variety | Supported | Supported |
Keep exploring
More on these models
Other head-to-heads, the full model page, and the alternatives list for each model.
Nano Banana 2.1View full model details- Nano Banana 2.1 vs Nano Banana 2
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- Nano Banana 2.1 vs GPT-5.4 Image 2
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- Nano Banana 2.1 vs GPT-5 Image Mini
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- Nano Banana 2.1 vs MAI-Image-2.6
- Nano Banana 2.1 vs GPT-5 Image
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- Nano Banana 2.1 vs GPT Image 1
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- Seedream 5.0 Flash vs Muse Image
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- Seedream 5.0 Flash vs FLUX 3 Image
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- Seedream 5.0 Flash vs Seedream 5.0 Lite
- Seedream 5.0 Flash vs K3 Edit
- Seedream 5.0 Flash vs Grok Imagine Image Quality
- Seedream 5.0 Flash vs Qwen Image 3
- Seedream 5.0 Flash vs MAI-Image-2.6 Flash
- Seedream 5.0 Flash vs MAI-Image-2.6
- Seedream 5.0 Flash vs FLUX.2 Max
- Seedream 5.0 Flash vs Riverflow V2.5 Pro
- Seedream 5.0 Flash vs FLUX.2 Flex
FAQ
Frequently asked questions
Can Nano Banana 2.1 and Seedream 5.0 Flash edit existing images?
Yes. Both accept reference images, so you can upload a photo and ask for changes like a new background, different lighting, or added text.
Can I use Nano Banana 2.1 and Seedream 5.0 Flash at the same time?
Yes. Shortcut Chat sends one prompt to multiple image models at once, so you can see Nano Banana 2.1 and Seedream 5.0 Flash results side by side and keep the one you like.
Why choose? Generate with both.
Send one prompt to Nano Banana 2.1 and Seedream 5.0 Flash at the same time. See both images side by side and keep the one you like.